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From: Minchan Kim <minchan@kernel.org>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org,
	Michael Kerrisk <mtk.manpages@gmail.com>,
	linux-api@vger.kernel.org, Hugh Dickins <hughd@google.com>,
	Johannes Weiner <hannes@cmpxchg.org>,
	zhangyanfei@cn.fujitsu.com, Rik van Riel <riel@redhat.com>,
	Mel Gorman <mgorman@suse.de>,
	KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
	Jason Evans <je@fb.com>, Daniel Micay <danielmicay@gmail.com>,
	"Kirill A. Shutemov" <kirill@shutemov.name>,
	Michal Hocko <mhocko@suse.cz>,
	yalin.wang2010@gmail.com, Shaohua Li <shli@kernel.org>,
	Chen Gang <gang.chen.5i5j@gmail.com>,
	"rth@twiddle.net" <rth@twiddle.net>,
	"ink@jurassic.park.msu.ru" <ink@jurassic.park.msu.ru>,
	"mattst88@gmail.com" <mattst88@gmail.com>,
	Ralf Baechle <ralf@linux-mips.org>,
	"jejb@parisc-linux.org" <jejb@parisc-linux.org>,
	"deller@gmx.de" <deller@gmx.de>,
	"chris@zankel.net" <chris@zankel.net>,
	"jcmvbkbc@gmail.com" <jcmvbkbc@gmail.com>,
	Arnd Bergmann <arnd@arndb.de>,
	linux-arch@vger.kernel.org, Minchan Kim <minchan@kernel.org>
Subject: [PATCH 3/8] arch: uapi: asm: mman.h: Let MADV_FREE have same value for all architectures
Date: Fri, 30 Oct 2015 16:01:39 +0900	[thread overview]
Message-ID: <1446188504-28023-4-git-send-email-minchan@kernel.org> (raw)
In-Reply-To: <1446188504-28023-1-git-send-email-minchan@kernel.org>

From: Chen Gang <gang.chen.5i5j@gmail.com>

For uapi, need try to let all macros have same value, and MADV_FREE is
added into main branch recently, so need redefine MADV_FREE for it.

At present, '8' can be shared with all architectures, so redefine it to
'8'.

Cc: rth@twiddle.net <rth@twiddle.net>,
Cc: ink@jurassic.park.msu.ru <ink@jurassic.park.msu.ru>
Cc: mattst88@gmail.com <mattst88@gmail.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: jejb@parisc-linux.org <jejb@parisc-linux.org>
Cc: deller@gmx.de <deller@gmx.de>
Cc: chris@zankel.net <chris@zankel.net>
Cc: jcmvbkbc@gmail.com <jcmvbkbc@gmail.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: linux-arch@vger.kernel.org
Cc: linux-api@vger.kernel.org
Acked-by: Minchan Kim <minchan@kernel.org>
Signed-off-by: Chen Gang <gang.chen.5i5j@gmail.com>
---
 arch/alpha/include/uapi/asm/mman.h     | 2 +-
 arch/mips/include/uapi/asm/mman.h      | 2 +-
 arch/parisc/include/uapi/asm/mman.h    | 2 +-
 arch/xtensa/include/uapi/asm/mman.h    | 2 +-
 include/uapi/asm-generic/mman-common.h | 2 +-
 5 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/arch/alpha/include/uapi/asm/mman.h b/arch/alpha/include/uapi/asm/mman.h
index 836fbd44f65b..0b8a5de7aee3 100644
--- a/arch/alpha/include/uapi/asm/mman.h
+++ b/arch/alpha/include/uapi/asm/mman.h
@@ -44,9 +44,9 @@
 #define MADV_WILLNEED	3		/* will need these pages */
 #define	MADV_SPACEAVAIL	5		/* ensure resources are available */
 #define MADV_DONTNEED	6		/* don't need these pages */
-#define MADV_FREE	7		/* free pages only if memory pressure */
 
 /* common/generic parameters */
+#define MADV_FREE	8		/* free pages only if memory pressure */
 #define MADV_REMOVE	9		/* remove these pages & resources */
 #define MADV_DONTFORK	10		/* don't inherit across fork */
 #define MADV_DOFORK	11		/* do inherit across fork */
diff --git a/arch/mips/include/uapi/asm/mman.h b/arch/mips/include/uapi/asm/mman.h
index 106e741aa7ee..d247f5457944 100644
--- a/arch/mips/include/uapi/asm/mman.h
+++ b/arch/mips/include/uapi/asm/mman.h
@@ -67,9 +67,9 @@
 #define MADV_SEQUENTIAL 2		/* expect sequential page references */
 #define MADV_WILLNEED	3		/* will need these pages */
 #define MADV_DONTNEED	4		/* don't need these pages */
-#define MADV_FREE	5		/* free pages only if memory pressure */
 
 /* common parameters: try to keep these consistent across architectures */
+#define MADV_FREE	8		/* free pages only if memory pressure */
 #define MADV_REMOVE	9		/* remove these pages & resources */
 #define MADV_DONTFORK	10		/* don't inherit across fork */
 #define MADV_DOFORK	11		/* do inherit across fork */
diff --git a/arch/parisc/include/uapi/asm/mman.h b/arch/parisc/include/uapi/asm/mman.h
index 6cb8db76fd4e..700d83fd9352 100644
--- a/arch/parisc/include/uapi/asm/mman.h
+++ b/arch/parisc/include/uapi/asm/mman.h
@@ -40,9 +40,9 @@
 #define MADV_SPACEAVAIL 5               /* insure that resources are reserved */
 #define MADV_VPS_PURGE  6               /* Purge pages from VM page cache */
 #define MADV_VPS_INHERIT 7              /* Inherit parents page size */
-#define MADV_FREE	8		/* free pages only if memory pressure */
 
 /* common/generic parameters */
+#define MADV_FREE	8		/* free pages only if memory pressure */
 #define MADV_REMOVE	9		/* remove these pages & resources */
 #define MADV_DONTFORK	10		/* don't inherit across fork */
 #define MADV_DOFORK	11		/* do inherit across fork */
diff --git a/arch/xtensa/include/uapi/asm/mman.h b/arch/xtensa/include/uapi/asm/mman.h
index 1b19f25bc567..77eaca434071 100644
--- a/arch/xtensa/include/uapi/asm/mman.h
+++ b/arch/xtensa/include/uapi/asm/mman.h
@@ -80,9 +80,9 @@
 #define MADV_SEQUENTIAL	2		/* expect sequential page references */
 #define MADV_WILLNEED	3		/* will need these pages */
 #define MADV_DONTNEED	4		/* don't need these pages */
-#define MADV_FREE	5		/* free pages only if memory pressure */
 
 /* common parameters: try to keep these consistent across architectures */
+#define MADV_FREE	8		/* free pages only if memory pressure */
 #define MADV_REMOVE	9		/* remove these pages & resources */
 #define MADV_DONTFORK	10		/* don't inherit across fork */
 #define MADV_DOFORK	11		/* do inherit across fork */
diff --git a/include/uapi/asm-generic/mman-common.h b/include/uapi/asm-generic/mman-common.h
index 7a94102b7a02..869595947873 100644
--- a/include/uapi/asm-generic/mman-common.h
+++ b/include/uapi/asm-generic/mman-common.h
@@ -34,9 +34,9 @@
 #define MADV_SEQUENTIAL	2		/* expect sequential page references */
 #define MADV_WILLNEED	3		/* will need these pages */
 #define MADV_DONTNEED	4		/* don't need these pages */
-#define MADV_FREE	5		/* free pages only if memory pressure */
 
 /* common parameters: try to keep these consistent across architectures */
+#define MADV_FREE	8		/* free pages only if memory pressure */
 #define MADV_REMOVE	9		/* remove these pages & resources */
 #define MADV_DONTFORK	10		/* don't inherit across fork */
 #define MADV_DOFORK	11		/* do inherit across fork */
-- 
1.9.1

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  parent reply	other threads:[~2015-10-30  7:01 UTC|newest]

Thread overview: 38+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-10-30  7:01 [PATCH 0/8] MADV_FREE support Minchan Kim
2015-10-30  7:01 ` [PATCH 1/8] mm: support madvise(MADV_FREE) Minchan Kim
2015-10-30 16:49   ` Shaohua Li
2015-11-03  0:10     ` Minchan Kim
2015-10-30  7:01 ` [PATCH 2/8] mm: define MADV_FREE for some arches Minchan Kim
2015-10-30  7:01 ` Minchan Kim [this message]
2015-11-02  0:08   ` [PATCH 3/8] arch: uapi: asm: mman.h: Let MADV_FREE have same value for all architectures Hugh Dickins
2015-11-03  2:32     ` Minchan Kim
2015-11-03  2:36       ` Minchan Kim
2015-11-03  3:36         ` David Miller
2015-11-03  4:31           ` Minchan Kim
2015-10-30  7:01 ` [PATCH 4/8] mm: free swp_entry in madvise_free Minchan Kim
2015-10-30 12:28   ` Michal Hocko
2015-11-03  0:53     ` Minchan Kim
2015-10-30  7:01 ` [PATCH 5/8] mm: move lazily freed pages to inactive list Minchan Kim
2015-10-30 17:22   ` Shaohua Li
2015-11-03  0:52     ` Minchan Kim
2015-11-04  8:15       ` Michal Hocko
2015-11-04 17:53       ` Shaohua Li
2015-11-04 18:20         ` Shaohua Li
2015-11-05  1:11           ` Minchan Kim
2015-11-05  1:03         ` Minchan Kim
2015-11-04 20:55   ` Johannes Weiner
2015-11-04 21:48     ` Daniel Micay
2015-11-04 22:55       ` Johannes Weiner
2015-11-04 23:36         ` Daniel Micay
2015-11-04 23:49           ` Daniel Micay
2015-10-30  7:01 ` [PATCH 6/8] mm: lru_deactivate_fn should clear PG_referenced Minchan Kim
2015-10-30 12:47   ` Michal Hocko
2015-11-03  1:10     ` Minchan Kim
2015-11-04  8:22       ` Michal Hocko
2015-10-30  7:01 ` [PATCH 7/8] mm: clear PG_dirty to mark page freeable Minchan Kim
2015-10-30 12:55   ` Michal Hocko
2015-10-30  7:01 ` [PATCH 8/8] mm: mark stable page dirty in KSM Minchan Kim
2015-11-01  4:51 ` [PATCH 0/8] MADV_FREE support David Rientjes
2015-11-01  6:29   ` Daniel Micay
2015-11-03  2:23     ` Minchan Kim
2015-11-04 20:19     ` David Rientjes

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